What's Means Fish Scale?

1 : the scale of fish also : something resembling it. 2 : a defect in enamel on sheet iron characterized by blistering and the detachment of small flakes of enamel.

What means fish scale?

A fish scale is a small rigid plate that grows out of the skin of a fish. ... The morphology of a scale can be used to identify the species of fish it came from. Most bony fishes are covered with the cycloid scales of salmon and carp, or the ctenoid scales of perch, or the ganoid scales of sturgeons and gars.

How do fish scales work?

Scales protect fish, much like a suit of armor. All fish have a slimy covering of mucus. This substance allows the fish to swim through the water with very little drag and also makes it difficult for other organism to attach to the fish. So mucus is also a protective feature.